Observations are taken on sales ofa certain mountain bike in 30 sporting goods stores. The regression model was V=total sales {thousands of dollars], X1 = display floor space {square meters}, X2 = competitors' advertising expenditures (thousands of dollars], X3 = advertised price [dollars per unit]. (a) Fill in the values in the table given here. [Negative values should be indicated by a minus sign. Leave no cells blank - be certain to enter "0" wherever required. Round your t-values to 3 decimal places and p-values to 4 decimal places.) Intercept FloorSpace Competi'ngAds Pn'ce 41.14013 (b1} What is the critical value of Student's Iin appendix D for a two-tailed test at a: .01? {Round your answer to 3 decimal places.)